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Properties and distribution of mammalian l-cysteine sulfinate carboxy-lyases

Biochimica Et Biophysica Acta (BBA) - Specialized Section on Enzymological Subjects, 1964
Abstract 1. 1. [1-14C]Cysteine sulfinic acid (CySO2H) and [1-14C]cysteic acid (CySO3H) were synthesized and some characteristics of the decarboxylation of these amino acids studied in partially purified rat-liver and brain preparations. 2. 2. The apparent Km's for CySO2H and CySO3H were found to be about 10 times lower in liver than in brain.
Lloyd H Smith
exaly   +3 more sources

Biologically generated carbon dioxide: nature's versatile chemical strategies for carboxy lyases

Natural Product Reports, 2020
Metabolic production of CO 2 is natural product chemistry on a mammoth scale.
Christopher Walsh
exaly   +3 more sources

Comparison of L-aspartate 4-carboxy-lyases ofCunninghamella elegansandPenicillium citrinum

Microbiological Research, 1994
L-Aspartate 4-carboxy-lyase of Cunninghamella elegans and Penicillium citrinum has a pH optimum of 5.5. Maximal activity of both enzymes is obtained at 40 degrees C, and both are thermolabile. The Km of the C. elegans enzyme for L-aspartate is 25 mM, while that of the P. citrinum enzyme is 27 mM. The two enzymes are specific for L-aspartate.
exaly   +3 more sources

Immobilisation of hydroxynitrile lyases

open access: yesChemical Society Reviews, 2013
Hydroxynitrile lyases are a versatile group of enzymes that are applied both in the laboratory and on an industrial scale. What makes them particularly interesting is that to date five structurally unrelated categories of hydroxynitrile lyases have been ...
Ulf Hanefeld
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O-pyrocatechuic acid carboxy-lyase from Aspergillus niger

Archives of Biochemistry and Biophysics, 1967
Abstract O -Pyrocatechuic acid (2,3-dihydroxybenzoic acid) carboxylyase (E.C. 4.1.1.), enzyme involved in the biosynthesis of catechol by Aspergillus niger , has been extracted from the acetone powders of mycelial mats grown in the presence of l -tryptophan and purified 815-fold by precipitation of nucleic acids, fractionation with ammonium ...
P V, Rao, K, Moore, G H, Towers
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Structure Characteristics, Biochemical Properties, and Pharmaceutical Applications of Alginate Lyases

open access: yesMarine Drugs, 2021
Alginate, the most abundant polysaccharides of brown algae, consists of various proportions of uronic acid epimers α-L-guluronic acid (G) and β-D-mannuronic acid (M).
Yan-Xia Zhou
exaly   +2 more sources

Studies on Porphyrinogen Carboxy-Lyase from Chick Embryo Liver

Enzyme, 2017
The purpose of the present work was to find the optimal conditions for the assay of chick embryo liver porphyrinogen carboxy-lyase. The enzyme activity was studied as a function of protein and substrate concentrations, time, pH value and incubation temperature.
M C, Taira, L C, San Martín de Viale
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Stereochemistry of porphyrinogen carboxy-lyase reaction in haem biosynthesis

Journal of the Chemical Society, Chemical Communications, 1975
Stereospecifically deuteriated and tritiated succinate was incorporated into the acetate residues of uroporphyrinogen III which on decarboxylation generated asymmetric methyl groups in coproporphyrinogen III and then in haem; degradation of the latter yielded chiral acetate deriving from the C and D rings of haem and configurational analysis of this ...
Graham F. Barnard, Muhammad Akhtar
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